CN210494535U - Knee joint rehabilitation device - Google Patents
Knee joint rehabilitation device Download PDFInfo
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- CN210494535U CN210494535U CN201821605844.9U CN201821605844U CN210494535U CN 210494535 U CN210494535 U CN 210494535U CN 201821605844 U CN201821605844 U CN 201821605844U CN 210494535 U CN210494535 U CN 210494535U
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Abstract
The utility model relates to a knee joint rehabilitation device, including base, motor, thigh connecting rod, shank connecting rod, guide rail, primary shaft and secondary shaft, thigh connecting rod, shank connecting rod and motor all set up in pairs, and motor drive thigh connecting rod and shank connecting rod are equipped with the bandage between the thigh connecting rod, and thigh connecting rod one end is through sleeve fixed mounting on the primary shaft, and the both ends of primary shaft are equipped with the bearing, and the primary shaft passes through the bearing and installs on the base, and the base both sides are equipped with the bearing frame with the corresponding position of primary shaft, and the other end of thigh connecting rod and shank connecting rod link together through the chaining pin; one end of the shank connecting rod is connected to the head of the base through a second shaft; and rollers are arranged at two ends of the second shaft and slide on the guide rails. The utility model discloses a rehabilitation device is simple light, easily the operation. According to the utility model discloses a rehabilitation training method can train the diversified rotary motion of knee joint, obtains more abundant exercise, promotes treatment recovery effect.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a knee joint rehabilitation device.
Background
At present, the rehabilitation problem becomes a problem to be solved urgently, the traditional rehabilitation therapy has high requirements on a curer, the manual training cost is high, and the robot can assist in rehabilitation training. In the rehabilitation process, the rehabilitation robot helps patients to recover walking ability and improves living ability, so that the study on the lower limb rehabilitation robot is imperative.
The rehabilitation robot is a novel robot, and degree of automation is high, and training effect is good, can divide into auxiliary type rehabilitation robot and rehabilitation training robot, and auxiliary type rehabilitation robot is like robot nurse, robot wheelchair etc. mainly used helps accomplishing various actions, and rehabilitation training robot is like arm motion training, neck motion training etc. mainly used helps resuming the training of various motion functions.
At present, a plurality of types of medical instruments for lower limb joint rehabilitation have different advantages and disadvantages, further optimization research is needed, and a rehabilitation robot relates to the fields of rehabilitation medicine, biomechanics, mechanical mechanics, electronics, materials and the like, and becomes an international research hotspot. At present, few robots aiming at knee joint rehabilitation are used, and a knee joint rehabilitation medical instrument is an intelligent knee joint rehabilitation auxiliary tool, so that knees can be effectively moved, and the knee joints can be better recovered.
SUMMERY OF THE UTILITY MODEL
For solving the prior technical problem, the utility model provides a knee joint rehabilitation device, help the patient in the more effective exercise of postoperative knee joint and recovery.
The specific contents of the utility model are as follows: a knee joint rehabilitation device comprises a base, a motor, thigh connecting rods, shank connecting rods, a guide rail, a first shaft and a second shaft, wherein the thigh connecting rods, the shank connecting rods and the motor are arranged in pairs; one end of the shank connecting rod is connected to the head of the base through a second shaft; and rollers are arranged at two ends of the second shaft and slide on the guide rails.
Furthermore, the tail part of the thigh connecting rod is provided with a positioning plate, the positioning plate is provided with a plurality of positioning holes, the tail part of the base is provided with a positioning pin, the positioning pin is supported and fixed on the base through a pin, the size of the positioning hole is matched with that of the positioning pin, and the positioning pin can extend into the positioning holes to position the thigh connecting rod.
Furthermore, the locating plate is fan-shaped, three locating holes are formed in the locating plate, the angles between the thigh connecting rod and the base are respectively 30 degrees, 60 degrees and 75 degrees when the thigh connecting rod is located, an arc-shaped slit is further formed in the locating plate, and the central angle corresponding to the slit is 60 degrees.
Further, a motor bracket is arranged at the connection part of the motor and the thigh connecting rod as well as the shank connecting rod, and the motor is connected with the motor bracket on the shank connecting rod through a piston rod; two symmetrical blocking blocks are further arranged on the base and are fixedly arranged below the thigh connecting rod through screws.
Further, the base includes the bottom plate and sets up the curb plate in the bottom plate both sides, and the head edge of base is equipped with the baffle perpendicular to each other with the bottom plate, and the baffle contacts with the guide rail, and the size of the cross section that the size of baffle is greater than the guide rail is and highly be higher than the guide rail.
Further, the binding band is made of a material comprising polyester fibers and is arranged according to the curve of the thigh of the human body; the thigh connecting rod and the shank connecting rod are made of aluminum alloy.
Furthermore, a support is arranged in the middle of the second shaft, a pedal plate is fixedly arranged on the support, a mounting hole is formed in the support, the second shaft comprises two symmetrical wheel shafts, rollers are arranged at one ends of the wheel shafts, and the other ends of the wheel shafts are connected through torsion springs and extend into the mounting hole.
Based on the utility model discloses a knee joint rehabilitation training method is based on above-mentioned arbitrary knee joint rehabilitation device, including following three kinds of movements:
firstly, moving: axial movement of the knee joint: fixing the thigh of the patient through a binding belt, canceling the positioning of a thigh connecting rod, driving the thigh connecting rod by a motor, driving a shank connecting rod by the thigh connecting rod, moving a roller along a guide rail, and passively moving a knee joint in an axial direction;
and (2) performing a second exercise: the thigh connecting rod is fixed by adopting a positioning pin, the patient bends the hip in a horizontal manner, the motor drives the shank connecting rod to stretch, and the knee joint passively performs flexion and extension movement;
and (3) movement: the motor is replaced by a damper, the thigh connecting rod is fixed by selecting different position-adjusting gears, and then the shank bends and stretches against the damping motion to perform active anti-resistance motion.
Further, the positioning angles of the thigh links in the second movement and the third movement include 30 degrees, 60 degrees and 75 degrees.
Further, the angular rotation range of the thigh link in the first movement is 60 °.
The utility model has the advantages that: the utility model discloses a rehabilitation device is simple light, easily operates to three kinds of motion methods of integration make the knee joint obtain better recovery. Based on the utility model discloses a rehabilitation device's rehabilitation training method has integrated three kinds of motion methods according to the difference in the rehabilitation stage, can train the diversified rotary motion of knee joint, obtains more abundant exercise, promotes treatment recovery effect.
Drawings
The following further explains the embodiments of the present invention with reference to the drawings.
Fig. 1 is a schematic view of a knee joint rehabilitation device of the present invention;
FIG. 2 is an assembly view of the second shaft and the pedal of the present invention;
fig. 3 is a schematic view of a first exercise of the present invention;
fig. 4 is a schematic view of a second exercise apparatus of the present invention;
fig. 5 is a schematic view of the exercise device of the present invention.
Detailed Description
As shown in fig. 1 and 2, a knee joint rehabilitation device comprises a base 1, a motor 2, a thigh connecting rod 3, a shank connecting rod 4, a guide rail 5, a first shaft 6 and a second shaft 7, wherein the thigh connecting rod 3, the shank connecting rod 4 and the motor 2 are arranged in pairs, the motor 2 drives the thigh connecting rod 3 and the shank connecting rod 4, a binding band 8 is arranged between the thigh connecting rods 3, one end of the thigh connecting rod 3 is fixedly arranged on the first shaft 6 through a sleeve, bearings 61 are arranged at two ends of the first shaft 6, the first shaft 6 is arranged on the base 1 through the bearings 61, bearing seats 62 are arranged at the positions, corresponding to the first shaft 6, of two sides of the base 1, and the other end of the thigh connecting rod 3 and the shank connecting rod; one end of the shank connecting rod 4 is connected with the head part of the base 1 through a second shaft 7; rollers 71 are provided at both ends of the second shaft 7, and the rollers 71 slide on the guide rails 5.
Preferably, the positioning plate 32 is arranged at the tail of the thigh link 3, the positioning plate 32 is provided with a plurality of positioning holes 321, the tail of the base 1 is provided with a positioning pin 11, the positioning pin 11 is fixed on the base 1 through a pin support 12, the size of the positioning hole 321 is matched with the size of the positioning pin 11, and the positioning pin 11 can extend into the positioning hole 321 to position the thigh link 3.
In this embodiment, the positioning plate 32 is preferably fan-shaped, three positioning holes 321 are formed in the positioning plate 32, angles between the thigh link 3 and the base 1 when the thigh link 3 is positioned are respectively 30 °, 60 ° and 75 °, an arc-shaped slit 322 is further formed in the positioning plate 32, and a central angle corresponding to the slit 322 is 60 °.
The three positioning holes 321 limit the fixing range of the thigh connecting rod 2 to three gears, and three designed angles strictly follow the medical rehabilitation physiology guidance; the slit 322 ensures that the rotation angle of the connecting rod has a rotation range, and the rotation angle strictly follows the medical rehabilitation physiology guidance, and has a limiting effect as the rehabilitation movement range of the device.
In the preferred embodiment, a motor bracket 7221 is arranged at the connection position of the motor 2 and the thigh connecting rod 3 and the shank connecting rod 4, and the motor bracket 7221 on the motor 2 and the shank connecting rod 4 is connected through a piston rod 22; two symmetrical blocking blocks 13 are further arranged on the base 1, and the blocking blocks 13 are fixedly arranged below the thigh connecting rods 3 through screws. In this embodiment, the blocking block 13 is formed by fixing a metal sheet in a shape like a Chinese character 'ji' on the base, and the blocking block 13 can block the thigh link 3, prevent the bottom of the thigh link 3 from being too low, and ensure the rotation range of the thigh link 3 by combining with the positioning plate 32.
In the preferred embodiment, the base 1 includes a bottom plate and side plates disposed on two sides of the bottom plate, the edge of the head of the base 1 is provided with a baffle perpendicular to the bottom plate, the baffle contacts with the guide rail 5, and the baffle is larger than the cross section of the guide rail 5 and is higher than the guide rail 5.
In the preferred embodiment, the binding band 8 is made of a material comprising polyester fibers and is arranged according to the curve of the thigh of the human body; the thigh link 3 and the shank link 4 are made of a material including an aluminum alloy. The bandage 8 is designed according to a human body curve, the comfort level can be improved, and the thigh connecting rod 3 and the shank connecting rod 4 are made of aluminum alloy, so that the rigidity can be enhanced.
In the preferred embodiment, the middle of the second shaft 7 is provided with a bracket 72, the bracket 72 is fixedly provided with the pedal 9, the bracket 72 is provided with a mounting hole 73, the second shaft 7 comprises two symmetrical wheel shafts, one end of each wheel shaft is provided with a roller 71, and the other end of each wheel shaft is connected with the mounting hole 73 through a torsion spring 74 and extends into the mounting hole 73. In this way the foot plate 9 has a degree of freedom allowing for adjustment of ankle comfort according to movement.
As shown in fig. 3 to 5, the utility model also discloses a knee joint rehabilitation training method, based on any knee joint rehabilitation device in embodiment 1, including the following three movements:
firstly, moving: axial movement of the knee joint: the thigh of the patient is fixed through a binding belt 8, the thigh connecting rod 3 is not positioned, the motor 2 drives the thigh connecting rod 3, the thigh connecting rod 3 drives the shank connecting rod 4, the roller 71 moves along the guide rail 5, and the knee joint passively moves axially;
and (2) performing a second exercise: the thigh connecting rod 3 is fixed by adopting a positioning pin 11, the patient bends the hip horizontally, the motor 2 drives the shank connecting rod 4 to stretch, and the knee joint passively bends and stretches;
and (3) movement: the motor 2 is replaced by a damper, the thigh connecting rod 3 is fixed by selecting different position-adjusting gears, and then the shank overcomes the damping movement to bend and extend to perform active anti-resistance movement.
In the preferred embodiment, the positioning angles of the thigh link 3 in the second and third movements include 30 °, 60 ° and 75 °.
In the preferred embodiment, the angular rotation range of the thigh link 3 during the first movement is 60 °.
The first motion is passive motion, and in the first stage of rehabilitation, the legs of a patient are not suitable to move by force, so that the thighs of the patient are fixed on the thigh connecting rods through the binding bands, the rollers are driven by the motor to slide on the guide rails, the thigh connecting rods and the shank connecting rods are made to reciprocate in the leg direction, and the knee joints of the patient are also made to reciprocate axially under the action of external force.
After the first stage of rehabilitation, the second motion is carried out, the angle of the hip joint fixed by the thigh connecting rod 3 is adjusted to be 30 degrees, 60 degrees and 75 degrees strictly according to the medical rehabilitation physiology instruction, the thigh can be lifted by fixing the position of the thigh connecting rod 3, the motor 2 drives the shank connecting rod 4 to drive the shank connecting rod to do flexion and extension motions, and the knee joint can be subjected to multi-angle rehabilitation training.
The damper in this embodiment is the air spring, and the patient receives the damping of air spring when moving, needs initiative messenger's power in order to overcome the resistance, is fit for going on at recovered final stage, according to specific recovered situation, can select different fixed gear in proper order to train.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. A knee joint rehabilitation device characterized in that: the thigh connecting rods, the shank connecting rods and the motors are arranged in pairs, the motors drive the thigh connecting rods and the shank connecting rods, binding bands are arranged between the thigh connecting rods, one ends of the thigh connecting rods are fixedly arranged on the first shafts, bearings are arranged at two ends of the first shafts, the first shafts are arranged on the bases through the bearings, bearing seats are arranged at the positions, corresponding to the first shafts, of two sides of each base, and the other ends of the thigh connecting rods are connected with the shank connecting rods through connecting pins; one end of the shank connecting rod is connected to the head of the base through a second shaft; and rollers are arranged at two ends of the second shaft and slide on the guide rails.
2. The knee joint rehabilitation device according to claim 1, wherein: the tail of the thigh connecting rod is fixedly arranged on the first shaft through a sleeve, a positioning plate is arranged at the tail of the thigh connecting rod, a plurality of positioning holes are formed in the positioning plate, a positioning pin is arranged at the tail of the base and is supported and fixed on the base through a pin, the size of each positioning hole is matched with the size of the corresponding positioning pin, and the positioning pin can extend into the corresponding positioning hole to position the thigh connecting rod.
3. The knee joint rehabilitation device according to claim 2, wherein: the locating plate is fan-shaped, three locating holes are formed in the locating plate, the angles between the thigh connecting rod and the base are respectively 30 degrees, 60 degrees and 75 degrees when the thigh connecting rod is located, an arc-shaped slit is further formed in the locating plate, and the central angle corresponding to the slit is 60 degrees.
4. The knee joint rehabilitation device according to claim 1, wherein: a motor bracket is arranged at the joint of the motor and the thigh connecting rod as well as the shank connecting rod, and the motor is connected with the motor bracket on the shank connecting rod through a piston rod; two symmetrical blocking blocks are further arranged on the base and are fixedly arranged below the thigh connecting rod through screws.
5. The knee joint rehabilitation device according to claim 1, wherein: the base comprises a bottom plate and side plates arranged on two sides of the bottom plate, the head edge of the base is provided with a baffle perpendicular to the bottom plate, the baffle is in contact with the guide rail, and the size of the baffle is larger than that of the cross section of the guide rail and is higher than that of the guide rail.
6. The knee joint rehabilitation device according to claim 1, wherein: the binding band is made of materials comprising polyester fibers and is arranged according to the curve of the thigh of a human body; the thigh connecting rod and the shank connecting rod are made of aluminum alloy.
7. The knee joint rehabilitation device according to claim 1, wherein: the middle part of the second shaft is provided with a support, a pedal is fixedly arranged on the support, the support is provided with a mounting hole, the second shaft comprises two symmetrical wheel shafts, one end of each wheel shaft is provided with a roller, and the other end of each wheel shaft is connected with the mounting hole through a torsional spring and extends into the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605844.9U CN210494535U (en) | 2018-09-29 | 2018-09-29 | Knee joint rehabilitation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605844.9U CN210494535U (en) | 2018-09-29 | 2018-09-29 | Knee joint rehabilitation device |
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| Publication Number | Publication Date |
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| CN210494535U true CN210494535U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821605844.9U Active CN210494535U (en) | 2018-09-29 | 2018-09-29 | Knee joint rehabilitation device |
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| CN (1) | CN210494535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124993A (en) * | 2018-09-29 | 2019-01-04 | 南京艾提瑞精密机械有限公司 | A kind of knee joint rehabilitation device and the recovery training method based on the device |
| CN113082624A (en) * | 2021-04-02 | 2021-07-09 | 佳木斯大学 | Leg strength training device for exercise rehabilitation training |
-
2018
- 2018-09-29 CN CN201821605844.9U patent/CN210494535U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124993A (en) * | 2018-09-29 | 2019-01-04 | 南京艾提瑞精密机械有限公司 | A kind of knee joint rehabilitation device and the recovery training method based on the device |
| CN113082624A (en) * | 2021-04-02 | 2021-07-09 | 佳木斯大学 | Leg strength training device for exercise rehabilitation training |
| CN113082624B (en) * | 2021-04-02 | 2022-01-28 | 佳木斯大学 | Leg strength training device for exercise rehabilitation training |
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